MELBOURNE, AUSTRALIA - JANUARY 22: Stanislas Wawrinka of Switzerland plays a backhand in his third round match against Marin Cilic of Croatia during day five of the 2010 Australian Open at Melbourne Park on January 22, 2010 in Melbourne, Australia. (Photo by Mark Dadswell/Getty Images)

Third-seeded Stanislas Wawrinka of Switzerland and fourth-seeded Juan Ignacio Chela of Argentina lost Thursday in the second round at the Stockholm Open.

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